147940239 has 16 divisors (see below), whose sum is σ = 210892032. Its totient is φ = 91920768.

The previous prime is 147940211. The next prime is 147940249. The reversal of 147940239 is 932049741.

147940239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147940239 - 2¹¹ = 147938191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147940197 and 147940206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147940249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8829 + ... + 19334.

It is an arithmetic number, because the mean of its divisors is an integer number (13180752).

Almost surely, 2^147940239 is an apocalyptic number.

147940239 is a deficient number, since it is larger than the sum of its proper divisors (62951793).

147940239 is a wasteful number, since it uses less digits than its factorization.

147940239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28286.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 147940239 is about 12163.0686506325. The cubic root of 147940239 is about 528.8860417069.

The spelling of 147940239 in words is "one hundred forty-seven million, nine hundred forty thousand, two hundred thirty-nine".